GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 44873 Pinion Flange Holder and Remover


    Object Number: 1196061  Size: SH
  1. Remove the ventilation valve (408), hose (407) and clamps (406).

  2. Object Number: 901181  Size: SH
  3. Remove the drain plug (403) and washer (404).
  4. Remove the fill plug (401) and washer (402).

  5. Object Number: 901138  Size: SH
  6. Remove the bolts (102) and cover (101).
  7. Remove the seal (305) and O-ring (304).
  8. Remove the locating pin (105).

  9. Object Number: 901141  Size: SH
  10. Remove the input gear (214).
  11. Remove the bearing (217) and 25 mm shim (216).
  12. Mark or tag the shim (216) for assembly.

  13. Object Number: 901144  Size: SH
  14. Secure the case in a vise with soft jaws.
  15. Using a chisel, cut the locking tab on the locknut (210).
  16. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 901160  Size: SH
  17. Install the J 44873 and bolts to the output yoke.
  18. Tighten
    Tighten the bolts to 48 N·m (35 lb ft).

  19. Loosen the locknut.
  20. Remove the J 44873 and bolts.

  21. Object Number: 901148  Size: SH
  22. Remove the nut (210), washer (209), sealing washer (303), O-ring (302), and output yoke (208). Note the washer (209) installed position.

  23. Object Number: 901152  Size: SH
  24. Remove the output shaft (201) with bearing, collapsible spacer (204) and washers (215).
  25. Remove the seal (301) and bearing (207).